fix: segfault when using phobosd with a wrong option

A segmentation fault error occurs if a bad option is given to phobosd.
To correct it, the long_options array needs to be terminated with a
0-filled structure.

Change-Id: I22889af5a7eedde85dce6ca344cb828afe8032ee
Signed-off-by: Sebastien Gougeaud <sebastien.gougeaud@cea.fr>
Reviewed-on: https://cws-fleury.labs.ocre.cea.fr/gerrit/6509


Reviewed-by: Linter
Tested-by: Jenkins s8open_nr <s8open_nr@ccc.ocre.cea.fr>
Reviewed-by: Quentin Bouget <quentin.bouget@cea.fr>
Reviewed-by: Thomas Leibovici <thomas.leibovici@cea.fr>

src/lrs/lrs.c

@@ -353,7 +353,8 @@ static struct lrs_params parse_args(int argc, char **argv)
         {"config",      required_argument, 0,  'c'},
         {"verbose",     no_argument,       0,  'v'},
         {"quiet",       no_argument,       0,  'q'},
-        {"syslog",      no_argument,       0,  's'}
+        {"syslog",      no_argument,       0,  's'},
+        {0,             0,                 0,  0}
     };
     struct lrs_params parm = LRS_PARAMS_DEFAULT;
 
@@ -379,6 +380,9 @@ static struct lrs_params parse_args(int argc, char **argv)
             break;
         case 's':
             parm.use_syslog = true;
+            break;
+        default:
+            exit(EXIT_FAILURE);
         }
     }